- _____________(digital subscriber line)
technology for bringing high-bandwidth information to homes and
small businesses over ordinary copper telephone lines.
__________(bits per second) a measure of the speed at which
data is transmitted between computers. A 28.8 modem transmits data
at speeds of up to
______________(central processing unit) the part of the
computer that controls and performs all processing activities.
____________(DNS) the Internet naming scheme, which consists
of a hierarchical sequence of names from the most specific to the
most general (left to right), separated by dots.
__________(dots per inch) the resolution for page printers,
image-setters and graphics screens.
_____________(HyperText Mark-up Language) used to format
information so that it can be structured and made accessible to the
WWW.
________________(graphical user interface) designed so that
the user can perform tasks by using a mouse to point and click on an
icon. The user can perform any task with either the mouse or the
keyboard.
_____________(file transmission protocol) a standard for
moving files from one computer to another. Predominantly used on the
Internet.
______________(Internet service provider) a company that
provides Internet service.
___________(Kb) unit of measure for data storage. One
kilobyte is equivalent to 1024 bytes or 8192 bits
_____________(local area network) a network of
interconnected workstations sharing the resources of a single
processor or server within a relatively small geographic area.
_____________(HyperText Transfer Protocol) the set of rules
for exchanging files (text, graphic images, sound, video, and other
multimedia files) on the World Wide Web.
_________________(moving picture experts group) a standard
used on the World Wide Web for video and audio files.
________________(Microsoft disk operating system)
Microsoft’s version of DOS.
________________(musical instrument digital interface) a
standard for connecting computers and musical instruments.
______________(liquid crystal display) the dark-on-light
display seen on most calculators and digital watches.
__________________(online service provider) a company that
provides you with online service. The most popular online service
provider is America Online.
____________________(optical character recognition) a means
of converting scanned text into digital codes that can be read by a
computer program as actual text rather than just as a picture. Most
scanners now come with OCR and image editing software.
________________(OS) the program that, after being initially
loaded into the computer by a bootstrap program, manages all the
other programs in a computer. The other programs are called
applications.
________________(personal computer) a computer designed to
be used by one person at a time.
_________________(random access memory) temporary storage
area that the processor uses to execute programs and hold data.
Information is put into RAM and held there. Once the RAM becomes
full, information has to be removed to make space for the current
task being performed.
_________________(post office protocol) a standard for
exchanging e-mail between a PC and the Internet access provider.
_________________(read onlymemory) data may only be
retrieved from this type of memory, not written to it. All PCs have
ROM chips. When the PC is switched on, the information in the ROM
chip is used to test the ram. ROM does not require a constant
electric supply to keep the information intact.
________________(technology without an interesting name) a
standard interface used with devices such as scanners.
__________________(Transmission Control Protocol / Internet
Protocol) the basic communication language or protocol of the
Internet. It can also be used as a communications protocol in the
private networks called intranets and in extranets.
_______________(tagged image file format) one of the many
different types of file format used on PCs. This particular type is
a graphics file.
__________________(WorldWideWeb) software that enables
digital data that has been "marked up" with HTML to be put into
hypertext databases. By clicking on the marked text, the user is
automatically logged into the new Web server where the linked data
is found. The Web is now the main force behind Internet growth.
_________________(what you see is what you get) What you can
see on the screen is what you will see on paper when you print the
screen contents.
_____________a camera that produces photographs that can be
saved as files on a PC.
___________________a compact disc that has computer data stored
on it. A CD-ROM can hold 650 megabytes of data. New technology has
brought us the DVD, or digital versatile disc.
______________a computer device that reads and writes data from
and to a magnetic disk. The disk that is used for this type of
storage is called a floppy disk because the disk is flexible, not
rigid.
_______________a computer device that reads and writes data from
and to one or more magnetic disks. These disks are permanently
housed inside the hard drive.
_______________a device that allows the user to communicate with
the computer without using the keyboard. A mouse is usually
palm-sized, with two to three buttons for the fingers.
_______________a device used to display the images that are
generated by a PC’s video adapter.
_______________a duplicate copy of some data or a disk or some
software that is made by the user as a safeguard against the loss of
the original information
______________a flat, circular, metal or plastic platter coated
with a thin layer of magnetic material on which data may be recorded
as a series of magnetic signals arranged in circular patterns
(called tracks).
_______________a flashing rectangle or line on the screen that
shows exactly where the user is working.
_______________a multitasking operating system is one that
allows a PC to perform more than one task at a time.
_______________in DOS or Windows, computer files have to be
named using a standard consisting of a name, a point and a file
extension. For example, the file "autoexec.bat" has a file extension
of "bat."
_______________a PC that is about the same size as an ordinary
sheet of paper and about 5 cm thick. The term notebook has
superseded the term laptop, which generally referred to a portable
PC.
_______________programs written to serve a particular function
for the user of a computer. Typical examples are word processors,
spreadsheets, and games.
_______________a program written to locate and remove harmful
viruses from a PC.
_______________a unit of measure for data storage. One megabyte
is equivalent to 1048 kilobytes.
_______________a typeface enhancement such as bold or script.
Although it is not precisely correct, the term is often used to
refer to a typeface style such as Bookface, Courier, or Sans Serif.
_______________in Windows, a bar across the top of the current
window which contains the headings of a number of available menus.
_______________a small picture that is displayed on the screen.
It is intended to show a task. Clicking the icon with the mouse will
begin the task.
_______________a special type of GIF file, giving the impression
of a video.
_______________analogue systems refer to the use of variable
voltage in electrical signals to represent any kind of data.
_______________a picture or non-text item within a document.
Most Web pages contain a number of graphics.
_______________another name for a 3.5 inch floppy disk.
_______________a process that prepares either a hard disk or a
floppy disk for initial use. Format of a disk will completely erase
the contents.
_______________characters per second. The measure of how fast a
printer can print a document or how fast a communications device can
send information.
_______________a program that provides an interface to remote
programs (called clients), most commonly across a network, so these
clients can access some service such as databases, printing, etc. In
general, the clients act (indirectly) on behalf of a human end-user.
_______________application programs that enable the user to draw
pictures using a variety of different tools or effects similar to
those used by an artist when creating a painting or sketch.
_______________a number of programs will require the user to
provide information. In some cases if the user chooses not to enter
a value a "default value" will be taken.
_______________electronically distributed mail. A widely used
facility on the Internet that sends addressed messages over a
network.
_______________an input device that is designed to recognise
patterns of printed or drawn markings. Scanners are used to convert
printed images into files for processing by various application
programs.
_______________hardware that allows you to print information via
the software you are using on the computer.
_______________portable PC. The term laptop has been superseded
by notebook.
_______________data is stored in the form of a file. Files can
be program files, containing instructions that allow the PC to
perform various tasks under the control of the user, or data files
that contain information only.
_______________hold information that the PC needs to use. These
chips are connected directly to the microprocessor.
_______________the page by which a user normally enters a Web
site.
_______________Intel introduced the Pentium processor in 1993.
_______________one of the many facilities available on the
Internet. Like most of the Internet, newsgroups are run voluntarily
and co-operatively. A news group is centered on a particular
discussion topic.
_______________these ports get their names from the way data
flows through them. A serial port can transfer data only one bit at
a time. A parallel port is capable of transferring data eight bits
(or one byte) at a time; it has several channels for all of the
individual bits to pass through at the same time.
_______________the procedure your computer goes through when you
turn it on. The expression means that your computer must gather
itself together before you can use it. When you boot up your
computer, the circuitry on the motherboard activates the programs
stored in the BIOS chips.
_______________the file or directory where incoming e-mail
messages are stored on the computer of the Internet service
provider.
_______________the hundreds of thousands of computers that are
connected by a "net" of wires and satellites all over the world.
Networks on the Internet use the same telecommunications protocol
(TCP/IP) and provide electronic mail, remote log-in, and
file-transfer services.
_______________the audio and visual capabilities of a computer.
Generally, a multimedia-equipped system will come with a sound card,
a video board, a CD-ROM drive and a set of speakers.
_______________takes digital data from a computer and converts
it into electrical pulses that can be sent over a telephone line,
where they can be received by a second modem and converted back into
digital data.
_______________the process of ending your access to a particular
computer.
_______________records are comprised of fields. Each field is
set aside for a particular piece of information. For example, a
company database may contain a record for each customer. Each of
these records may contain a field containing the customer’s
telephone number.
_______________the concept of adding new components to a PC
(such as an external modem) without having to manually configure
anything.
_______________the main device used for entering data into a PC
or giving it an instruction to do something specific.
_______________the microprocessor is built onto a single piece
of silicon, known as a wafer or chip. It can be programmed to
perform a great number of information-handling tasks.
_______________the smallest element of information that programs
can display or print.
_______________the toolbar sits across the top or down the side
of a particular window. It allows the user to perform certain tasks
such as opening a file or submitting a print. The toolbar can
usually be customised so that the user can add those tasks most
regularly performed.
_______________the traditional units of measure in printing.
There are 12 points to a pica and about 72 points to an inch.
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